Every tori-fuda is decided by some letters (in Japanese) / syllables (in Roman letters) of kami-no-ku. The last letter / syllable of this part is called Kimariji. Once you remember the part, you can get the right card when you listen to only a few syllables. The part consists of one at least up to six syllables. 　　　On pages for learning by heart tori-fuda, that is shimo-no-ku, is printed on the front pages. When you turn over the pages, you can see kami-no-ku on the back pages. One or some letters from the beginning till Kimariji are printed big and in red letters. Please compare the shapes of the letters on the front pages with the red letters on the back and keep them in mind with your eyes.